Q: Is 122,121,120 a Prime Number?

 A: No, 122,121,120 is not a prime number.

Why is 122,121,120 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 122121120 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 101 110 120 132 160 165 176 202 220 229 240 264 303 330 352 404 440 458 480 505 528 606 660 687 808 880 916 1,010 1,056 1,111 1,145 1,212 1,320 1,374 1,515 1,616 1,760 1,832 2,020 2,222 2,290 2,424 2,519 2,640 2,748 3,030 3,232 3,333 3,435 3,664 4,040 4,444 4,580 4,848 5,038 5,280 5,496 5,555 6,060 6,666 6,870 7,328 7,557 8,080 8,888 9,160 9,696 10,076 10,992 11,110 12,120 12,595 13,332 13,740 15,114 16,160 16,665 17,776 18,320 20,152 21,984 22,220 23,129 24,240 25,190 26,664 27,480 30,228 33,330 35,552 36,640 37,785 40,304 44,440 46,258 48,480 50,380 53,328 54,960 60,456 66,660 69,387 75,570 80,608 88,880 92,516 100,760 106,656 109,920 115,645 120,912 133,320 138,774 151,140 177,760 185,032 201,520 231,290 241,824 254,419 266,640 277,548 302,280 346,935 370,064 403,040 462,580 508,838 533,280 555,096 604,560 693,870 740,128 763,257 925,160 1,017,676 1,110,192 1,209,120 1,272,095 1,387,740 1,526,514 1,850,320 2,035,352 2,220,384 2,544,190 2,775,480 3,053,028 3,700,640 3,816,285 4,070,704 5,088,380 5,550,960 6,106,056 7,632,570 8,141,408 10,176,760 11,101,920 12,212,112 15,265,140 20,353,520 24,424,224 30,530,280 40,707,040 61,060,560 and 122,121,120, with no remainder.

Since 122,121,120 cannot be divided by just 1 and 122,121,120, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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